Organic Building Blocks

Alfa Aesar™ [4-(Ethoxycarbonyl)butyl]triphenylphosphonium bromide, 95%

Chemical Name or Material: [4-(Ethoxycarbonyl)butyl]triphenylphosphonium bromide CAS: 54110-96-2 Molecular Formula: C25H28BrO2P Linear Formula: CH3CH2O2C(CH2)4P(C6H5)3Br Formula Weight: 471.38 MDL Number: MFCD00051866 Beilstein: 5212054 Synonym: [4-(Carboethoxy)butyl]triphenylphosphonium bromide; Ethyl 4-(triphenylphosphonio)butyrate bromide

Alfa Aesar™ Ethyl 4-acetylbenzoate, 98%

Chemical Name or Material: Ethyl 4-acetylbenzoate CAS: 38430-55-6 Formula Weight: 192.21 MDL Number: MFCD00013241

Alfa Aesar™ 1-Ethyl-4-fluorobenzene, 97%

Chemical Name or Material: 1-Ethyl-4-fluorobenzene CAS: 459-47-2 Molecular Formula: C8H9F Formula Weight: 124.16 MDL Number: MFCD00039218 UN Number: UN1993 Beilstein: 1856987 Synonym: 4-Fluoroethylbenzene

Alfa Aesar™ 2-Chloro-6-methylphenyl isocyanate, 97%

Chemical Name or Material: 2-Chloro-6-methylphenyl isocyanate CAS: 40398-01-4 Molecular Formula: C8H6ClNO Formula Weight: 167.6 MDL Number: MFCD00037030 UN Number: UN2206 Beilstein: 2690768

Alfa Aesar™ beta-Carotene, 99%

Chemical Name or Material: beta-Carotene CAS: 7235-40-7 Formula Weight: 536.87 MDL Number: MFCD00001556 Beilstein: 1917416 Synonym: Provitamin A

Alfa Aesar™ Methylthiomethyl p-tolyl sulfone, 99%

Chemical Name or Material: Methylthiomethyl p-tolyl sulfone CAS: 59662-65-6 Molecular Formula: C9H12O2S2 Formula Weight: 216.32 MDL Number: MFCD00010750 Synonym: 4-[(Methylthio)methylsulfonyl]toluene

Alfa Aesar™ 5-tert-Butyl-1,2,3-trimethylbenzene, 97%

Chemical Name or Material: 5-tert-Butyl-1,2,3-trimethylbenzene CAS: 98-23-7 Molecular Formula: C13H20 Formula Weight: 176.29 MDL Number: MFCD00043642 Beilstein: 2076153

Tri-O-acetyl-D-glucal 99%, ACROS Organics™

Chemical Name or Material: Tri-O-acetyl-D-glucal Name Note: 99% CAS: 2873-29-2 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C12H16O7 Formula Weight: 272.25 MDL Number: MFCD00063253

Alfa Aesar™ 2-Chloro-N,N-diethyl-4-nitroaniline, 96%

Chemical Name or Material: 2-Chloro-N,N-diethyl-4-nitroaniline CAS: 86-49-7 Formula Weight: 228.68 UN Number: UN2811 Synonym: (2-Chloro-4-nitrophenyl)diethylamine

Alfa Aesar™ 2,3-Dichlorophenyl isocyanate, 97%

Chemical Name or Material: 2,3-Dichlorophenyl isocyanate CAS: 41195-90-8 Molecular Formula: C7H3Cl2NO Formula Weight: 188.01 MDL Number: MFCD00002000 UN Number: UN2206 Beilstein: 4669222

Alfa Aesar™ 5-Carboxy-2-fluorobenzeneboronic acid pinacol ester, 96%

Chemical Name or Material: 5-Carboxy-2-fluorobenzeneboronic acid pinacol ester Formula Weight: 266.07 Synonym: 5-Carboxy-2-fluorophenylboronic acid pinacol ester

Alfa Aesar™ 2,4-Dimethoxybenzonitrile, 99%

Chemical Name or Material: 2,4-Dimethoxybenzonitrile CAS: 4107-65-7 Molecular Formula: C9H9NO2 Formula Weight: 163.18 MDL Number: MFCD00001786 UN Number: UN3439 Beilstein: 1950512

Alfa Aesar™ 3-(Trifluoromethyl)phenyl isothiocyanate, 98%

Chemical Name or Material: 3-(Trifluoromethyl)phenyl isothiocyanate CAS: 1840-19-3 Molecular Formula: C8H4F3NS Formula Weight: 203.19 MDL Number: MFCD00004806 UN Number: UN2922 Beilstein: 781205 Synonym: alpha,alpha,alpha-Trifluoro-m-tolyl isothiocyanate

4-Pyrazolecarboxylic acid, 97%, ACROS Organics™

Chemical Name or Material: 4-Pyrazolecarboxylic acid CAS: 37718-11-9 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C4H4N2O2 Formula Weight: 112.09 MDL Number: MFCD00011558

Alfa Aesar™ 2-Nitro-4-(trifluoromethyl)phenol, 98%

Chemical Name or Material: 2-Nitro-4-(trifluoromethyl)phenol CAS: 400-99-7 Molecular Formula: C7H4F3NO3 Formula Weight: 207.11 MDL Number: MFCD00009791 Beilstein: 2215510 Synonym: 4-Hydroxy-3-nitrobenzotrifluoride

Alfa Aesar™ 4-Amino-2-chlorobenzoic acid, 98%

Chemical Name or Material: 4-Amino-2-chlorobenzoic acid CAS: 2457-76-3 Molecular Formula: C7H6ClNO2 Formula Weight: 171.58 MDL Number: MFCD00007772 Beilstein: 2803668

Alfa Aesar™ (S)-3-Allyloxycarbonylamino-2-(Fmoc-amino)propionic acid, 95%

Chemical Name or Material: (S)-3-Allyloxycarbonylamino-2-(Fmoc-amino)propionic acid CAS: 188970-92-5 Formula Weight: 410.42 MDL Number: MFCD00273468 Beilstein: 9161065 Synonym: Fmoc-Dap(Alloc)-OH; 3-Allyloxycarbonylamino-Fmoc-L-alanine

Zirconium(IV) propoxide, solution in propanol, ca. 70%, Acros Organics

Chemical Name or Material: Zirconium(IV) propoxide Name Note: ca. 70% CAS: 23519-77-9 CAS: 71-23-8 Assay: 27.0 to 29.0% (ZrO2) Assay Percent Range: ca. 70% Molecular Formula: C12H28O4Zr Linear Formula: Zr(OCH2CH2CH3)4 Formula Weight: 327.57 MDL Number: MFCD00015307

Alfa Aesar™ 3-Chlorobenzoylacetonitrile, 98%

Chemical Name or Material: 3-Chlorobenzoylacetonitrile CAS: 21667-62-9 Molecular Formula: C9H6ClNO Formula Weight: 179.61 MDL Number: MFCD00067891 Beilstein: 2414476

Alfa Aesar™ Ethylenebis(isothiouronium bromide), 98%

Chemical Name or Material: Ethylenebis(isothiouronium bromide) CAS: 6943-65-3 Molecular Formula: C4H12Br2N4S2 Formula Weight: 340.09 MDL Number: MFCD00035055 Beilstein: 3914616 Synonym: Ethylenediisothiourea dihydrobromide; 2,2'-Ethylenebis(2-thiopseudourea) dihydrobromide

4-Hydrazinobenzoic acid, 98%, ACROS Organics™

Chemical Name or Material: 4-Hydrazinobenzoic acid CAS: 619-67-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H8N2O2 Formula Weight: 152.15 MDL Number: MFCD00007581

Alfa Aesar™ Heptafluoro-1-iodopropane, 97%, stab. with copper

Chemical Name or Material: Heptafluoro-1-iodopropane CAS: 754-34-7 Name Note: stabilized with copper Molecular Formula: CF3CF2CF2I Formula Weight: 295.93 MDL Number: MFCD00001061 Beilstein: 1758822 Synonym: Heptafluoro-n-propyl iodide; Perfluoropropyl iodide

Alfa Aesar™ Sodium 2,4-pentanedionate hydrate, 95%

Chemical Name or Material: Sodium 2,4-pentanedionate hydrate CAS: 86891-03-4 Molecular Formula: C5H7NaO2·xH2O Formula Weight: 122.11 (Anhydrous) MDL Number: MFCD00078034 Synonym: Sodium acetylacetonate hydrate

Alfa Aesar™ 6-Chloro-1-hexanol, 97%

Chemical Name or Material: 6-Chloro-1-hexanol CAS: 2009-83-8 Molecular Formula: Cl(CH2)6OH Formula Weight: 136.62 MDL Number: MFCD00002984 Beilstein: 1697307 Synonym: 1-Chloro-6-hydroxyhexane; Hexamethylene chlorohydrin

Alfa Aesar™ 6-Fluoro-2,3-dimethoxybenzoic acid, 95%

Chemical Name or Material: 6-Fluoro-2,3-dimethoxybenzoic acid CAS: 265670-72-2 Formula Weight: 200.17 MDL Number: MFCD13193706 Beilstein: 8482222

Tetrabromophenolphthalein Ethyl Ester, Potassium Salt, Indicator Grade, ACROS Organics™

Chemical Name or Material: Tetrabromophenolphthalein ethyl ester, potassium salt CAS: 62637-91-6 Purity Grade: Extra Pure Molecular Formula: C22H13Br4KO4 Formula Weight: 700.05 MDL Number: MFCD00011662

Alfa Aesar™ Tetrabenzyl pyrophosphate, 98%

Chemical Name or Material: Tetrabenzyl pyrophosphate CAS: 990-91-0 Molecular Formula: C28H28O7P2 Formula Weight: 538.48 MDL Number: MFCD00051941 UN Number: UN3261 Beilstein: 2068292 Synonym: Pyrophosphoric acid tetrabenzyl ester

Alfa Aesar™ 3-Nitrobenzotrifluoride, 97%

Chemical Name or Material: 3-Nitrobenzotrifluoride CAS: 98-46-4 Molecular Formula: C7H4F3NO2 Formula Weight: 191.11 MDL Number: MFCD00007260 UN Number: UN2306 Beilstein: 2051362 Synonym: 3-Nitro-alpha,alpha,alpha-trifluorotoluene; 3-(Trifluoromethyl)nitrobenzene

Alfa Aesar™ Ethyl hydrogen sebacate, 98%

Chemical Name or Material: Ethyl hydrogen sebacate CAS: 693-55-0 Molecular Formula: CH3CH2O2C(CH2)8CO2H Formula Weight: 230.3 MDL Number: MFCD00014387 Beilstein: 1782569 Synonym: Decanedioic acid monoethyl ester; Monoethyl sebacate

Alfa Aesar™ 2'-Amino-4',5'-dimethoxyacetophenone, 98%

Chemical Name or Material: 2'-Amino-4',5'-dimethoxyacetophenone CAS: 4101-30-8 Molecular Formula: C10H13NO3 Formula Weight: 195.22 MDL Number: MFCD00016646 Beilstein: 391380

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